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U.S. Code of Federal Regulations

Regulations most recently checked for updates: Mar 22, 2023

All TitlesTitle 40Chapter IPart 503Subpart A - General Provisions
§ 503.1 - Purpose and applicability.
§ 503.2 - Compliance period.
§ 503.3 - Permits and direct enforceability.
§ 503.4 - Relationship to other regulations.
§ 503.5 - Additional or more stringent requirements.
§ 503.6 - Exclusions.
§ 503.7 - Requirement for a person who prepares sewage sludge.
§ 503.8 - Sampling and analysis.
§ 503.9 - General definitions.
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